Licensed Septic Companies in Los Angeles, CA
15 septic companies serve Los Angeles, California, and 15 of them hold a California septic license or certification matched to the California Contractors State License Board list (data as of October 2026).
Septic services in Los Angeles
Guides: Septic system installation · Septic inspection · Installation cost · Pumping cost
15 septic companies in Los Angeles
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A1 Sewer Solutions
P O Box 227246, Los Angeles, CA 90022 · Los Angeles County
- Licensed: California Licensed Contractor (A, C36, C42) · #1074336 (California Contractors State License Board, verify)
Per state license: Installation
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Boss Plumbing
826 Seward St, Los Angeles, CA 90038 · Los Angeles County
- Licensed: California Licensed Contractor (C36, C42) · #579704 (California Contractors State License Board, verify)
From their website: Inspection Per state license: Installation
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Coast to Coast Plumbing
13351 Riverside Dr #171, Los Angeles, CA 91423 · Los Angeles County
- Licensed: California Licensed Contractor (C36, C42) · #936718 (California Contractors State License Board, verify)
From their website: Inspection Per state license: Installation
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E Z Roth Plumbing
1632 West 11Th Street, Los Angeles, CA 90015 · Los Angeles County
- Licensed: California Licensed Contractor (C16, C36, C42) · #741375 (California Contractors State License Board, verify)
From their website: Inspection Per state license: Installation
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Escobar Contracting Inc
3756 W Avenue 40Suite K418, Los Angeles, CA 90065 · Los Angeles County
- Licensed: California Licensed Contractor (A, C42) · #747724 (California Contractors State License Board, verify)
Per state license: Installation
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Gch Plumbing Inc
5833 David Avenue, Los Angeles, CA 90034 · Los Angeles County
- Licensed: California Licensed Contractor (C36, C42) · #842253 (California Contractors State License Board, verify)
Per state license: Installation
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Lighthart Corporation The
3333 Glendale Blvs Suite 9, Los Angeles, CA 90039 · Los Angeles County
- Licensed: California Licensed Contractor (A, B, C-4, C10, C16, C20, C36, C42, C55, HAZ) · #593113 (California Contractors State License Board, verify)
Per state license: Installation
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Perez Construction & Pipelines Inc
340 S Gerhart Ave 1, Los Angeles, CA 90022 · Los Angeles County
- Licensed: California Licensed Contractor (A, B, C10, C36, C42) · #910949 (California Contractors State License Board, verify)
- Licensed: California Licensed Contractor (A, B, C10, C36, C42) · #1054237 (California Contractors State License Board, verify)
Per state license: Installation
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Pipe Doctor Rooter & Plumbing Company
3312 Floyd Terrace, Los Angeles, CA 90068 · Los Angeles County
- Licensed: California Licensed Contractor (B, C36, C42, C51) · #1084191 (California Contractors State License Board, verify)
Per state license: Installation
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Sewer And Pipeline Contractor Inc
4518 S Western Ave, Los Angeles, CA 90062 · Los Angeles County
- Licensed: California Licensed Contractor (A, C36, C42) · #904635 (California Contractors State License Board, verify)
Per state license: Installation
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Smith Roy E Plumbing Co Inc
12320 Palms Blvd, Los Angeles, CA 90066 · Los Angeles County
- Licensed: California Licensed Contractor (C16, C20, C36, C42) · #179873 (California Contractors State License Board, verify)
Per state license: Installation
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Suncore Demolition, Grading, and Construction - Los Angeles
811 W 7th St, Los Angeles, CA 90017 · Los Angeles County
- Licensed: California Licensed Contractor (A, B, C-8, C21, C29, C42, HAZ) · #1145133 (California Contractors State License Board, verify)
From their website: Perc testing
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Super Drains
P O Box 227246, Los Angeles, CA 90022 · Los Angeles County
- Licensed: California Licensed Contractor (C36, C42) · #1023035 (California Contractors State License Board, verify)
Per state license: Installation
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Topanga Septic
22028 Ventura Blvd Ste. 101, Los Angeles, CA 91364 · Los Angeles County
- Licensed: California Licensed Contractor (C42) · #1019132 (California Contractors State License Board, verify)
From their website: Inspection · Risers & lids Per state license: Installation
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Trenchless Sewer Plumbing Inc.
5003 Loleta Ave, Los Angeles, CA 90041 · Los Angeles County
- Licensed: California Licensed Contractor (C36) · #1153851 (California Contractors State License Board, verify)
From their website: Inspection
No listings match those filters.
Septic licensing in California
California has no license named for septic work; septic systems fall under the C-42 Sanitation System classification. Counties issue system permits. The Contractors State License Board (CSLB) issues these credentials: C-42 Sanitation System contractor license.
Permits for new systems, replacements and most repairs are issued locally. Ask the contractor which office handles Los Angeles and whether the permit fee is in their quote.
California septic licensing: agencies, license types and how to check a license →
Septic companies in Los Angeles: common questions
How many licensed septic companies are in Los Angeles, CA?
15 septic companies serve Los Angeles, California, and 15 of them hold a California septic license or certification matched to the California Contractors State License Board list (data as of October 2026). Each license badge on this page names the agency and links to its lookup so you can confirm it.
Who licenses septic contractors in California?
California has no license named for septic work; septic systems fall under the C-42 Sanitation System classification. Counties issue system permits. The licensing body is the Contractors State License Board (CSLB).
Which companies install septic systems in Los Angeles?
13 listings in Los Angeles install septic systems. New systems and replacements need a permit, so ask each installer to handle the permit and to show their California license.
How do I check a septic contractor's license in California?
Use the Contractors State License Board (CSLB)'s lookup (https://www.cslb.ca.gov/onlineservices/checklicenseII/checklicense.aspx) and search the contractor's name or license number. Our guide to checking a septic license walks through it.